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01 November 1996 AGE-NC Project No. 96-0272 Page 2 of 3 3.3. LABORATORY ANALYSIS Selected soil samples will be analyzed for TPH-g, and volatile aromatics (benzene, toluene, ethylbenzene and xylenes; BTE&X) in accordance with EPA methods 8015m and 8020, respectively. The laboratory report, testing m6thods, Iaboratory quality assurance/quality control (QA/QC)reports and sample chain-of-custody documentation will be presented in a report with the findings and recommendations. 4.0. PROCEDURES 4.1. SOIL PROBING INSTALLATION AND SAMPLING The following procedures will be performed for the installation of probings: 1. Notify the PHS-EHD at least 48 hours prior to commencement of any work. 2. Advance one(1) soil probe boring at the site to a depth.of approximately 15 feet using a van- mounted Geoprobe probing unit equipped with 1.25-inch diameter rods. The proposed probe boring location is depicted on Figure 2. 3. Decontaminate sampling equipment in an Alconox solution and rinse with water prior to each sampling run. 4. Obtain soil samples at depths of 5 and 10 feet bsg. Samples will be collected using a Geoprobe soil sampling assembly pre-loaded with four 1.125-inch by 6-inch brass sleeves. 5. Preserve soil samples in the second brass sleeve by covering both ends with Teflon sheets, capping, and sealing with tape. 6. Label and log samples on a chain-of-custody form. 7. Store samples in a chilled container and transport to a State-certified laboratory for analysis. Selected soil samples will be analyzed for TPH-g and BTE&X in accordance with EPA methods 8015m and 8020, respectively. 8. Monitor soil sample duplicates for the presence of volatile organics using a photo-ionization detector(PID) pre-calibrated to isobutylene. 9. Log soil sample duplicates in accordance with the Unified Soil Classification System. 10. Backfill each probing to surface grade using Portland Cement.